What is the rarest Brainrot?

Currently, the OG rarity is the highest, surpassing Secret. Examples typically include event-specific Brainrots.

How do I get Brainrots?

You can purchase them from the conveyor or steal them from other players' bases if they are unlocked.

What is Steal a Brainrot?

Steal a Brainrot is a thrilling Roblox game by BRAZILIAN SPYDER where you collect brainrots, build wealth, and compete on the leaderboard.

How does the fusion system work?

You can use the Fuse Machine to combine two brainrots and create new, rarer brainrots. Special fusion machines like Santa's Fuse and Witch Fuse offer unique combinations.

Guest 666

Secret

RUNWAYRITUAL

Base Cost

$1.1B

Price Format:

• K = 1,000

• M = 1,000,000

• B = 1,000,000,000

• T = 1,000,000,000,000

Income per Second

$6.6M

Price Format:

• K = 1,000

• M = 1,000,000

• B = 1,000,000,000

• T = 1,000,000,000,000

Efficiency

0.61%

Event

1x1x1x1 Event

Guest 666 is a Secret-tier Brainrot character in Steal a Brainrot, obtainable through the 1x1x1x1 Ritual during the 1x1x1x1 Ritual Event. It takes the form of a dark humanoid figure wearing a classic Roblox cap adorned with red devil horns, a shirt featuring the vintage Roblox logo, and dual red-and-black swords. Its subtle head tilt and ominous aura make it one of the most chilling Brainrots ever seen.

Secret brainrot generating $6.6M/second

Guest 666 is obtained through 1x1x1x1 RITUAL, which requires 4 players holding Guerriro Digitale using the form a square formation behind sammy next to the giant pipes formation near the Runway.

Identity & Availability

Release Status

Released

Primary Route

Runway

Event Source

1x1x1x1 Event

Visual Structure

Standalone

Current Availability

Guest 666 is obtained through 1x1x1x1 RITUAL, which requires 4 players holding Guerriro Digitale using the form a square formation behind sammy next to the giant pipes formation near the Runway.

Explore This Family

Follow the strongest internal paths around this brainrot: event lineups, route collections, and composite relationships.

Composite Families

Brainrots that reuse Guest 666 as one of their visible components.

Los Hackers
Secret | Composite family

More from 1x1x1x1 Event

Characters tied to the same event window or event-specific rollout.

Open Page

More Runway Brainrots

Other entries reached through the same machine, system, or collection route.

Open Page

How to Obtain

RUNWAYRITUAL

Obtained through ritual mechanics requiring coordinated setups.

RitualAll Ritual Brainrots →

Players: 4

Formation: Form a square formation behind Sammy next to the giant pipes

Required: Guerriro Digitale

Purchase

Available through the 1x1x1x1 Ritual during the 1x1x1x1 Ritual Event with a chance of success.

Steal

Steal from heavily defended bases; requires advanced speed boosts, strategic timing, and high-tier defensive items.

Pro Tips

Participate in the 1x1x1x1 Ritual Event and perform the 1x1x1x1 Ritual to attempt to obtain Guest 666. For stealing, employ advanced tactics with top-tier items.

Mutation Income Calculator

Select Mutation

Time Period

Income with Default mutation

23.9B/h

Base: $23.9B/h → +0%

View all mutations at hourly rates

Mutation	Mult	Income
Default	1x	$23.9B
Gold	1.25x	$29.9B
Diamond	1.5x	$35.9B
Rainbow	10x	$239.9B
Bloodrot	2x	$47.9B
Celestial	4x	$95.9B
Candy	4x	$95.9B
Lava	6x	$143.9B
Galaxy	6x	$143.9B
YinYang	7.5x	$179.9B
Radioactive	8.5x	$203.9B
Cursed	9x	$215.9B
Divine	10x	$239.9B
Cyber	11x	$263.9B